body {
    margin: 0;
    padding: 0;
}

article {
    background-color: #f5f5f5;
}

article section {
    width: 60%;
    margin: 0 auto;
}

article section table .btn {
    border: 0 none;
    color: #FAFAFA;
    cursor: pointer;
    height: 28px;
    padding-bottom: 2px;
    text-align: center;
    width: 68px;
    line-height: 28px;
    border-radius: 4px;
    background: rgb(244, 136, 49);
}

article section table .btn:hover {
    background: rgb(241, 172, 51);
}